<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录</title>
    <link rel="stylesheet" href="../static/plugins/bootstrap-3.4.1/css/bootstrap.min.css">
</head>
<body>
<div class="container">
    <form action="/login/" method="POST">
        <input type="text" name="username" placeholder="请输入用户名" />
        <input type="password" name="password" placeholder="请输入用户名" />
        <input type="submit" class="btn-primary" value="登 录" />
    </form>
</div>



<h1 id="my_h1">标签</h1>

<script src="../static/js/jquery-3.7.1.js"></script>
<script src="../static/plugins/bootstrap-3.4.1/js/bootstrap.min.js"></script>
<script type="text/javascript">
    $(function (){
        {#$("#my_h1").innerText = "12312312";#}
        $("#my_h1").text("213123");

    })


</script>
</body>
</html>